Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? None of these Demagnetization Magnetization Cross magnetization None of these Demagnetization Magnetization Cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.02 0.04 0.2 0.4 0.02 0.04 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain hysteresis loss. eddy current loss. core loses only. copper losses. hysteresis loss. eddy current loss. core loses only. copper losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of slip ring induction motor. hysteresis motor. stepper motor. squirrel cage induction motor. slip ring induction motor. hysteresis motor. stepper motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Proportional to the armature current. Inversely proportional to the armature current. Proportional to the square of the armature current. Proportional to field current. Proportional to the armature current. Inversely proportional to the armature current. Proportional to the square of the armature current. Proportional to field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 19% 5% 40% 10% 19% 5% 40% 10% ANSWER DOWNLOAD EXAMIANS APP
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